A diamond cluster ring. The single-cut diamond, within

An 18ct gold sapphire and diamond cluster ring. The single-cut diamond, within a circular-shape sapphire quatrefoil, to the single-cut diamond scalloped surround. Estimated total diamond weight 0.40ct

An 18ct gold ruby and diamond cluster ring. The single-cut diamond, within a circular-shape ruby and single-cut diamond stepped surround. Estimated total diamond weight 0.10ct. Hallmarks for London, 1

An 18ct gold diamond cluster ring. The single-cut diamond, within a similarly-cut diamond stepped surround. Total diamond weight 0.15ct, stamped to band. Hallmarks for Sheffield. Ring size K. Weight 2

A 9ct gold ruby and diamond floral cluster ring. The single-cut diamond cluster, within an oval-shape ruby petal surround. Hallmarks for Birmingham. Ring size L. Weight 2.6gms.

RUBY AND DIAMOND CLUSTER RING The oval-cut ruby, within a single-cut diamond surround, ring size approx. K½ Footnotes: Please note this lot has VAT at the prevailing rate on both Hammer Price and

AMETHYST AND DIAMOND CLUSTER RING The octagonal-cut amethyst within a single-cut diamond surround, ring size approx. P For further information on this lot please visit Bonhams.com

A mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. Ov

A 9ct gold sapphire and diamond cluster ring, together with a mid 20th century silver and 9ct gold paste ring. The first set with an oval-shape pink sapphire within single-cut diamond border, the seco

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond surround, to the plain band. Principal diamond estimated weight 0.75ct, tinted colour, SI clarity. R

A diamond cluster ring. The oval-shape diamond, within a single-cut diamond surround, to the plain band. Principal diamond estimated weight 1.06ct, L-tinted colour, SI clarity. Ring size J. Weight 2.7

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.30ct. Hallmarks

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for London, 1976. Rin

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond scalloped surround. Estimated total diamond weight 0.40ct, principal diamond estimated I-J colour, S

An early 20th century 18ct gold zircon and diamond cluster ring. The circular-shape zircon, within a single-cut diamond surround, with tapered shoulders. Estimated total diamond weight 0.15ct. Ring si

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond and polished spacer surround. Hallmarks for London, 1978. Ring size L. Weight 5.2gms.

An 18ct gold opal and diamond cluster ring. The oval opal cabochon, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.35ct. Hallmarks for London, 1978. Ring s

A sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.10ct. Ring size L1/2. Weight 3.3gms.

A sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.10ct. Ring size K. Weight 4.6gms.

A 9ct gold tanzanite and diamond cluster ring. The marquise-shape tanzanite, within a single-cut diamond surround. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 2010. Ring size S. W

A 9ct gold aquamarine and diamond cluster ring. The oval-shape aquamarine, within a single-cut diamond surround, to the similarly-cut diamond shoulders and tapered band. Estimated total diamond weight

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham, 1974.

A mid 20th century 18ct gold sapphire and diamond cluster ring. The circular-shape sapphire, within a single-cut diamond border. Estimated total diamond weight 0.10ct. Weight 4.2gms.

A 9ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.10ct. Hallmarks for Birmingham,1990.

A 9ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround. Estimated dimensions of sapphire 9.1 by 6.6 by 3.5mms. Estimated total diamond weight 0.15c